Also known as: Mepyramine Maleate; Neo-Antergan Maleate
Pyrilamine Maleate (Mepyramine Maleate) is a first-generation H1 antihistamine with sedative properties. Manufactured by Mediocon Inc at its GMP-certified facility in Aurangabad, Maharashtra, India, it is supplied for oral antihistamine formulations and combination cold/allergy products. CAS No: 59-33-6.
| Parameter | Specification |
|---|---|
| CAS Number | 59-33-6 |
| Molecular Formula | C17H23N3O·C4H4O4 |
| Molecular Weight | 401.46 g/mol |
| Grade | IP / BP / EP / USP |
| Category | First-Generation Antihistamine (H1 Receptor Antagonist) |
| Appearance | White to off-white crystalline powder |
| Solubility | Freely soluble in water and ethanol. |
| Assay | NLT 98.0% |
| Loss on Drying | NMT 0.5% |
| Heavy Metals | NMT 20 ppm |
| Residue on Ignition | NMT 0.1% |
| Microbial Limits | Complies with pharmacopoeia |
| Identification | IR, HPLC Compliant |
| Mfg Date | MAR 2026 |
| Exp Date | FEB 2031 |
| Packing | 25 kg HDPE drums / as per requirement |